The 2012–13 Serbian First League was the eighth season of the league under its current name.
It started on 11 August 2012 and concluded on 5 June 2013.
Napredak Kruševac won the title and Čukarički finished as runners-up, with both clubs earning promotion to the top flight.
The third-placed Voždovac was later administratively promoted to the Serbian SuperLiga to fill the vacant spot left by the dissolution of Hajduk Kula, which saw Teleoptik avoid relegation.
[1] Radnički Nova Pazova, Banat Zrenjanin, Mladenovac, Kolubara and Novi Sad were relegated to their respective Serbian League groups.